Intense winds reaching speeds of as high as 155km/h (96mph) have resulted in around 90,000 homes lacking electricity and forced agencies to cancel over 100 flights, according to regional news sources.
The gales are impacting the complete South Island and southern sections of the northern region, according to the country's meteorological service.
The nation's agencies have announced infrequent red wind warnings - the most severe warning - in key areas such as Wellington and Canterbury.
Locals have been urged to avoid going outside, stay off roads, and prepare for more electricity and network failures.
Extensive Impact and Emergency Measures
The electricity loss seems to be impacting households predominantly in the South Island, although agencies state that energy was being gradually reinstated.
Regional news have indicated that in certain areas roofs have been ripped off houses, while power lines and trees have been knocked down by the gales.
In Wellington, a person was lost his life after being struck by a tree branch at a frequent walking route on earlier this week.
Meanwhile in Wellington, a individual was swept into moving cars on a road by a powerful blast, in a incident that was recorded in a viral dashcam video.
Air travel to and from the metropolis have been suspended because of the weather, while certain highways and community centers are shut down.
At the same time authorities in Canterbury have declared a state of emergency, to assist emergency management operations.
Work Stoppages Alongside Harsh Weather
These intense gusts on this day come as many of educators, medical professionals and government employees are participating in what has been called a "major walkout", calling for higher wages and enhanced employment terms.
But the severe conditions has compelled them to modify certain arrangements, with several external protests shifted to interior venues or called off.
Like conditions are also sweeping Australia, ushering in a heatwave to the nation's interior regions.
Authorities have announced burning restrictions for fear of wildfires.